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Technical Specifications 

Shade Number In Light State：Din4#

Shade Number In Dark State：Din9-13#(stepless regulation)

Response Time：<0.1ms(room temperature)

Return Time：Stepless regulation

Grinding: Yes

Power Supply：Li & Solar cells(min.lifetime is 5000 welding hours)

Working Temperature：-5℃(23℉)to+55℃(131℉)   

View Area：98x48mm

Size of Filter Cartridge：110x90x9mm

UV Transmittance：313nm≤0.00006%  

                                    365nm≤0.000076%

IR Transmittance：780～1300nm≤0.003%  

                                   1300～2000nm≤0.009%

Weight：430g